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HashiCorp Vault

by HashiCorp

Secrets management platform providing dynamic secret generation, PKI certificate issuance, encryption-as-a-service, and fine-grained access policies for APAC engineering teams managing secrets across multi-cloud and on-premise Kubernetes infrastructure.

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AIMenta verdict
Recommended
5/5

"HashiCorp Vault is the secrets management platform for APAC engineering teams — dynamic secrets, PKI as a service, and encryption-as-a-service. Best for APAC platform teams needing centralised secrets management across Kubernetes, cloud, and on-premise APAC infrastructure."

Features
7
Use cases
4
Watch outs
4
What it does

Key features

  • Dynamic secrets — on-demand short-lived database, cloud, and SSH credentials with automatic revocation
  • PKI engine — X.509 certificate issuance and renewal for APAC internal TLS without manual certificate management
  • Kubernetes auth — Kubernetes ServiceAccount JWT-based Vault authentication for APAC pod secrets injection
  • Transit encryption — encryption-as-a-service without key exposure for APAC application data protection
  • Secret leasing — TTL-based credential lifecycle with automatic revocation for APAC least-privilege access
  • Audit logging — comprehensive secrets access audit trail for APAC compliance and security monitoring
  • HCP Vault — managed Vault on HashiCorp Cloud with APAC region options
When to reach for it

Best for

  • APAC platform engineering teams centralising secrets management across multi-cloud, Kubernetes, and on-premise infrastructure
  • Engineering organisations eliminating static credentials from APAC application configuration and environment variables
  • APAC security teams implementing dynamic credential rotation and least-privilege access for database and cloud credentials
  • APAC fintech and financial services teams needing application-layer encryption-as-a-service with HSM-backed key management
Don't get burned

Limitations to know

  • ! Vault operational complexity — HA cluster setup, seal/unseal procedures, lease management, and policy authoring require dedicated platform security expertise in APAC teams
  • ! HashiCorp changed Vault's license to BUSL 1.1 in 2023 — APAC organisations with open-source requirements should evaluate OpenBao (community fork) or cloud-native secrets managers
  • ! Vault is not the simplest secret store for small APAC teams — AWS Secrets Manager or Azure Key Vault may be more operationally appropriate for APAC teams without dedicated platform engineering
  • ! Vault unseal complexity — Vault seals on restart and requires unseal keys (or auto-unseal via cloud KMS) to start serving secrets; APAC teams must plan unseal procedures for maintenance and recovery scenarios
Context

About HashiCorp Vault

HashiCorp Vault is a secrets management and data protection platform that provides APAC engineering teams with centralised secret storage, dynamic secret generation (credentials created on-demand with automatic expiration), PKI as a service (X.509 certificate issuance and renewal), encryption-as-a-service (encrypt/decrypt data without exposing keys to applications), and fine-grained access policies — solving the secrets sprawl problem in APAC multi-cloud and Kubernetes environments where static credentials embedded in configuration files create security risk.

Vault's dynamic secrets model — where Vault generates short-lived, unique credentials for databases (MySQL, PostgreSQL, MongoDB), cloud providers (AWS IAM roles, GCP service accounts, Azure AD credentials), and SSH certificates on-demand for each requesting application — eliminates the long-lived static credentials that create credential sprawl in APAC engineering organisations. An APAC microservice requesting database credentials from Vault receives a unique MySQL user with a 1-hour TTL; when the TTL expires, the credential is automatically revoked. No static password is ever stored in application configuration or environment variables.

Vault's PKI secrets engine — which issues X.509 certificates signed by Vault's intermediate CA on demand, with configurable validity periods (minutes to months), automatic renewal, and CRL management — enables APAC platform engineering teams to implement internal TLS certificate issuance for service-to-service communication without manual certificate management. APAC Kubernetes clusters use Vault's PKI engine via cert-manager's Vault issuer to automatically provision and rotate TLS certificates for APAC microservices.

Vault's Kubernetes authentication — where APAC Kubernetes pods authenticate to Vault using their Kubernetes service account JWT token, receive a Vault token with appropriate policies, and access their permitted secrets — provides a zero-static-credential secrets injection model for APAC Kubernetes workloads. The Vault Agent Sidecar Injector automatically injects Vault credentials into APAC pod environments without application code changes.

Vault's transit secrets engine — which performs encryption, decryption, signing, and verification of data in Vault without ever exposing the key material to the calling application — provides APAC applications with encryption-as-a-service. APAC financial services applications that need to encrypt sensitive customer data at the application layer call Vault's transit API to encrypt and decrypt, storing only Vault-encrypted ciphertext in their databases — the encryption key never leaves Vault.

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